The Light Sourcing Mode

Light sourcing allows you to light everything within the level.  Pezman - Rebellion, I don't know what more to write about what it does, do you have any suggestions?

Mode

Mode > Exit

Exits Light Sourcing and returns you to Control Mode.

Mode > Save Intensities For Game

Saves all light data, for AvP

Mode > Save Intensities For Tools

Saves all light data as defaults for tool.

Doors

Doors > Open

Opens doors

Doors > Close

Closes doors

Lights

Lights > Hide All 

Hides all light cones

Lights > Unhide All

Unhides all light cones

Lights > Toggle On/Off 

Select a light and click this to turn the light on and off

Lights > Switch All On 

Turns all lights in the level on

Select

Select > Object

Lets you select placed objects Pezman - Rebellion, what do you need to do this for?

Select > Lights

Lets you select lights

When selecting lights, press the < and > keys to switch between light properties. Press the - and + keys to edit the properties.

Edge

Soft - I have no idea what this does

Help

General - Brings up a small help screen

Screenshot - Takes screenshot